Brother HL-6050DN manuals

Owner’s manuals and user’s guides for Laser/LED printers Brother HL-6050DN.
We providing 2 pdf manuals Brother HL-6050DN for download free by document types: Datasheet, Service Manual


Table of contents

SERVICE MANUAL

1

PREFACE

3

TABLE OF CONTENTS

10

REGULATION

11

SAFETY INFORMATION

13

CHAPTER 1 GENERAL

15

1. FEATURES

15

CHAPTER 1 GENERAL

16

2. OVERVIEW

17

3. SPECIFICATIONS

18

3.2 Functions

19

3.4 Network (NC-6100H)

21

3.5 Paper

22

3.6 Printable Area

25

Physicalpage

27

Printablearea

27

Logicalpage

27

TN4100/TN670

30

3 K 1 1 J A

31

K 3 9 5 1 0 0 1 0 4 A

31

3 K 3 0 J

32

K 3 9 H 0 0 0 1 9 9 A

32

S A 0 0 0 0 0 0 1

32

1.1 Power Supply

33

1.2 Environment

33

2. UNPACKING

35

3. INSTALL THE PRINTER

36

Fig. 2-2

37

Fig. 2-3

37

Fig. 2-7

39

Fig. 2-8

39

4.1 Data LED Indications

40

1 and 999 COPIES

42

4.3 LCD Display

46

RESTART PRINTER?

58

Fig. 2-10

65

Fig. 2-11

65

Fig. 2-12

65

5.2 Functions

67

Front cover ASSY

69

RAM: 32MB

69

1.2 Main PCB Block Diagram

70

1.3 Main PCB

71

Fig. 3-4

72

Fig. 3-5

72

Fig. 3-6

73

MASK ROM

74

(128/64Mbit)

74

48PIN TSOP1

74

1.3.6 Flash ROM

75

1.3.7 SDRAM

76

Fig. 3-10

77

Fig. 3-11

78

Fig. 3-12

78

1.4 Engine PCB

82

1.5 Power Supply

83

Fig. 3-20

84

2. MECHANICS

85

2.2 Paper Transfer

86

Fig. 3-24

88

Photosensitive drum

88

Transfer roller

88

Regist actuator rear

88

2.3 Sensors

90

Fig. 3-30

92

Fig. 3-31

92

Relay PCB unit

92

PE/PO sensor PCB ASSY

92

2.4 Drum Unit

94

2.5 Toner Cartridge

95

2.6 Print Process

97

1. SAFETY PRECAUTIONS

101

2. DISASSEMBLY FLOW

102

3. DISASSEMBLY PROCEDURE

103

3.3 Paper Tray

104

3.4 Access Cover

107

3.5 Network Board

107

3.6 DX Feed ASSY

108

3.7 Rear Cover ASSY

112

3.8 Top Cover ASSY

113

3.9 Side Cover L

115

3.10 Side Cover R

116

3.11 MP Paper Guide 1 ASSY

116

3.13 Exit Roller Unit

118

3.14 Laser Unit

120

3.15 Fixing Unit

121

Fig. 4-42

124

Fig. 4-46

126

3.17 Feed MP Unit

133

3.18 Fan Motor 80 ASSY

134

3.19 Filter

135

3.20 Engine PCB

135

3.21 Main PCB

136

3.22 Fan 40

136

3.23 LVPS

137

Fig. 4-70

138

LVPS cover

138

LVPS PCB

138

3.24 Photo Interrupter

139

3.28 Main Motor

142

3.29 Developer Clutch

143

3.30 Develop Joint

143

3.31 Interlock SW ASSY

144

3.32 Relay PCB L ASSY

144

3.33 DEV Sensor ASSY

145

3.34 Toner LED PCB ASSY

145

3.36 Gear 24

146

3.37 Plate Motor ASSY

147

3.38 DX Sensor PCB

148

3.39 Ejection Solenoid ASSY

149

3.41 Toner Sensor PCB Unit

151

3.42 HVPS PCB ASSY

151

3.43 Relay PCB Unit

152

3.45 PE/PO Sensor PCB ASSY

153

3.46 Tray PE Actuator

154

3.47 RE Roller

155

Fig. 4-104

156

Fig. 4-106

157

Fig. 4-108

158

Fig. 4-110

159

4. PACKING

161

6. LUBRICATION

165

Main motor ASSY

166

Gear 18/48

166

Fixing drive plate unit

166

Gear 67

167

Gear 24

167

7. HARNESS ROUTING

169

Toner sensor PCB unit

170

1. CONSUMABLE PARTS

174

Fig.5-7

176

1.2 Toner Cartridge

177

Fig. 5-15

179

Fig.5-16

181

Fig.5-17

181

Paper tray

181

DX feed ASSY

181

Fig.5-22

184

Fig.5-23

184

Fig.5-29

188

Fig.5-32

190

Separation plate ASSY

190

Fig.5-35

192

Drum unit

192

Process unit cover ASSY

192

Fig.5-36

193

Fig.5-37

193

3. PERIODICAL CLEANING

199

Fig.5-49

200

Fig. 5-50

200

Home position

200

Fig.5-51

201

Fig. 5-52

202

4. MTBF / MTTR

203

1. INTRODUCTION

204

CHAPTER 6 TROUBLESHOOTING

205

1.3 Identify the Problem

206

2.1 Operator Calls

207

2.2 Service Calls

210

ERROR ###

210

SERVICE CALL

210

3. PAPER PROBLEMS

214

Fig. 6-1

216

Fig. 6-2

217

Fig.6-4

217

Fig. 6-10

220

Fig. 6-11

220

Fig. 6-12

220

Fig.6-13

221

Fig.6-14

221

Fig.6-15

221

Fig. 6-16

222

Fig. 6-17

222

Fig. 6-18

222

Fig. 6-19

223

Fig. 6-20

223

3.3 Paper Feeding Problems

225

F-1 Double feeding

225

F-2 Wrinkles or creases

225

F-3 Page skew

225

F-4 Curl or Wave

226

5. MALFUNCTIONS

230

M-3 No paper supplied

231

M-6 BD failure

232

M-7 Scanner failure

233

M-8 Fuser failure

233

M-10 SXX error

234

M-11 E41 error

234

M-12 TR Release Motor Error

235

6. IMAGE DEFECTS

236

I-1 Light

237

I-2 Dark

238

I-3 Completely blank

239

I-4 All black

240

I-9 White vertical streaks

244

I-11 Faulty registration

245

I-12 Poor fixing

245

I-13 Image distortion

246

I-14 Faint print

246

I-15 White spots

247

I-16 Black spots

249

I-17 Black band

250

I-18 Gray background

251

I-19 Hollow print

251

I-21 Horizontal lines

252

I-22 Light rain

253

I-23 Ghost

253

I-24 Toner specks

254

7. INCORRECT PRINTOUT

256

8. NETWORK PROBLEM

259

8.2 Intermittent Problem

260

8.3 TCP/IP Troubleshooting

261

8.4 UNIX Troubleshooting

261

Troubleshooting

263

8.13 DLC/LLC Troubleshooting

266

2.2 Function Table

269

3. SERVICE MENU MODE

274

Machine on

279

5. PRINT SETTINGS

281

Fig. 7-2

284

6.2 Diagnostics

285

Fig. 7-5

286

6.3 Printer Information

287

7. NVRAM DEFAULT VALUE

288

9. NVRAM BACKUP

296

APPENDIX

297





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